Internal Revenue Service headquarters

The Internal Revenue Service building in Washington. The House is slated to vote soon on a Republican proposal to bar the IRS from enforcing the 2010 healthcare reform law.

The Internal Revenue Service building in Washington. The House is slated to vote soon on a Republican proposal to bar the IRS from enforcing the 2010 healthcare reform law. (Win McNamee / Getty Images)

The Internal Revenue Service building in Washington. The House is slated to vote soon on a Republican proposal to bar the IRS from enforcing the 2010 healthcare reform law.